Conveniently, the University of Bath today seems to have published some research showing hi-vis doesn't prevent close overtakes of cyclists. Maybe carry a copy of this and hand it to the police when they inquire why you aren't wearing any?
http://opus.bath.ac.uk/37890/1/Walker_2013.pdf
@pharoahsanders started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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Conveniently, the University of Bath today seems to have published some research showing hi-vis doesn't prevent close overtakes of cyclists. Maybe carry a copy of this and hand it to the police when they inquire why you aren't wearing any?
http://opus.bath.ac.uk/37890/1/Walker_2013.pdf